Madhya Pradesh Metro Rail Corporation Limited (MPMRCL) has invited e-tenders for Detailed geotechnical investigation study for the underground stations and tunnels between Airport and Malviya Nagar Chauraha for Indore Metro Rail Project.
- Tender Reference Number: 917/MPMRCL/2023/Package IN_13
- Name of Work: Detailed geotechnical investigation study for the underground stations and tunnels between Airport and Malviya Nagar Chauraha for Indore Metro Rail Project.
- Completion Period: 45 Days
- Estimated Cost: INR 168 Lakh
- EMD: INR 1.68 Lakh
- Document Download / Sale Start Date: 06th May, 2023
- Document Download / Sale End Date: 22nd May, 2023
- Bid Submission Start Date: 17th May, 2023
- Bid Submission End Date: 22nd May, 2023
- Bid Opening Date: 23rd May, 2023
Introduction:
- The scope of works comprises geotechnical investigation works of Underground Stations and Tunnels for Indore Metro Rail Project.
- Geotechnical investigations works are planned to be carried out to establish the various parameters of soil/rock for the purpose of design.
Scope of Work:
- The following scope for execution of Exploratory Drilling, field testing, lab testing, data processing, interpretation, presentation and reporting shall be the minimum required:
- Mobilisation/demobilisation/transportation of all necessary equipment and material required for the work, field personnel and Experienced Geotechnical Engineer/ Geologist for collection of Samples is at the Contractor’s cost.
- Carrying out the exploratory drilling up to desired depth below the existing ground level or as directed by the “Engineer” (i.e. Employer’s Representative in terms of Sub-Clause 3.2 of General Conditions) and carrying out field tests.
- Organise all field work and activities in a safe manner for successful field testing including preparation of surface for drilling.
- Make the trial trenches or any other standard method for detection of utilities and safeguard service utilities, any damage repairs to utilities will be at the Contractor’s cost.
- Collect Samples from boreholes, for lab test, marking of Test / sample location as per IS Standards at specified interval or as directed by the Engineer.
- Collect rock core samples in separate core boxes from the boreholes marking of core nos., drill length and carry out core logging in prescribed format.
- Drilling/ Boring and construction of Pit for In- situ testing of rock and soil.
- Field testing in drill holes for the specified tests with desired intervals as per IS codes and as directed by Engineer.
- Measurement of Ground water table encountered during drilling and after stabilisation.
- Handover the core boxes to Employer after completion of all tests.
- Backfilling of all boreholes from bottom to top
- Prepare field logs (Borehole Logs and Core Logs) and sample collection reports in prescribed formats
- Carrying out the field and lab tests for the Physico-Mechanical Properties of the soil and rock. The work includes the following:
- Packing and transportation of samples from site to the laboratory.
- Sample preparation and testing of samples in any laboratory confirming to ISO/IEC 17011 accredited by NABL or any other accrediting agency who is authorised to accredit as per ISO/IEC 17025.
- Laboratory tests on disturbed/undisturbed soil samples and rock core samples and/ or groundwater samples as directed.
- In situ rock mechanics test including Pressure metre test, Permeability test.
- Preparation of Field / Lab data results in proper format.
- Cost to be incurred by Contractor for collection of all the data, information, etc. to complete the works covered in the scope is deemed to be included in the relevant items of schedule of quantities.
- Modification in quantities may be made by the Engineer during the course of the investigations after review of field observations and test results or if there are any changes in requirements.
- The Contractor shall draw the attention of the Employer, if in the opinion of the Contractor, any unique or peculiar feature is observed during the course of the investigation.
- The Contractor shall submit a Method Statement for approval by Engineer, before commencing the works. It shall describe the methods of survey, collection of reduced levels & coordinates of each borehole location, positioning of equipment, drilling equipment, method of drilling in soil and rock, preparation of bore logs, preparation of core logs, collection of samples and storage of same, transportation of samples, testing process in the laboratory, establishing the parameters of soil and rock, interpretation of test results, draft and final report preparation and submission and any other aspect of execution of works.
- All tests/ reports wherever applicable should be as per BIS/International standards/formats. The above scope is not exhaustive but the Contractor is expected to carry out the same as per standard industry practice.
- The quantities of Laboratory and Field tests are provided in the Pricing Document (BOQ). The above scope of work is provisional and may be varied or deleted or added depending upon the findings as the geotechnical investigation progresses.
- All clauses in the specifications, which relate to work or materials, not required by the works shall be deemed not to apply.
General Requirements:
- The Contractor shall be deemed to have satisfied himself as to the suitability and availability of access to the location of the investigation site.
- The Contractor shall use reasonable efforts to prevent any road, bridge or Public utilities from being damaged by the Contractor’s works or by the Contractor’s Personnel.
- Employers shall not be responsible for any such damages caused by the Contractor to persons or property.
In general:
- Barricading shall be supplied and erected around the investigation area by Contractor before the start of Trial Pit and until the completion of work.
- The Contractor shall be responsible for any maintenance which may be required for his use of access routes and to investigate location.
- Employers shall not be responsible for any claims which may arise from the use or otherwise of any access route.
- Clearance and Permits required for the Works shall be arranged by the Contractor.
- The Employer shall provide reasonable assistance.
- The Contractor shall in connection with the Works provide and maintain at his own cost all required logistics and security arrangement i.e. guards, fencing and watching when and where necessary or required by the Employer or by any competent statutory body or other state/ central authority for the protection of the Works or for the safety and convenience of the public or others.
Detailed Report:
- On completion of all field and laboratory testing, a detailed report shall be prepared and submitted to the Engineer. The report shall include (but not by way of limitation):
- A plan showing the position of all boreholes at a particular location with XYZ coordinates.
- A description of the procedures of investigation and testing employed and list of equipment used.
- Methodology adopted to carry out the testing/ sampling works.
- Map showing test / sample, location etc.
- Detailed bore logs, subsoil sections, laboratory and field test results both in tabular as well as in graphical form, showing variations of each of the soil properties with depths in each borehole.
- In situ and laboratory test results along with graphs and tables used for computation.
- The stress-strain diagrams as well as Mohr circle envelopes for unconfined compression tests, Triaxial tests and crushing strength of rock samples.
- Modulus of elasticity calculated from the crushing strength of rock.
- Any other information of special significance encountered during the investigation and likely to have a bearing on the design and construction of foundations.
- Photographs of field cores and laboratory activities and all the core boxes shall be included in each copy of the report.
- Geological description of the site including that of faults, folds, etc. if any, based on published literature and investigation carried out. Core log report shall also be prepared by an experienced Engineering Geologist.
- Comments on chemical nature of subsoil and groundwater with due regards to potential deleterious effects on concrete, steel and other substructure materials and recommended measures to overcome deleterious effects, if any. Type of cement to be used for concrete substructures based on the results of chemical analysis.
- Five coloured hard copies and one soft copy (in editable format) of Draft report shall be submitted. All the comments on the draft report by the Engineer shall be incorporated in the final report. Finalisation and submission of Report is to serve the intended purpose as given above in soft as well as hard copy.
- Five numbers of hard copies and one soft copy (including calculations spreadsheet soft copy) in CD are to be submitted for the Final Report.
- The Contractor shall provide 2 (two) original perpetual licences of the geotechnical software to the Employer/ Employer’s Representative with relevant installation and operation manuals free of cost for use in connection with the Contract, along with the input and output compatible files.
Eligibility:
- The Tenderer shall submit details of works previously executed by them to be considered qualified for the minimum eligibility criteria.
- Documentary proof should be submitted, namely; client completion certificates clearly indicating the nature and scope of work, actual completion costs, actual completion dates. Tenders submitted without this documentary proof shall not be evaluated.
- In case the work is executed for a private client the following additional documents shall be submitted: copy of the work order(s), bill of quantities, details of payments received, T.D.S. certificates for all payments received and a copy of the final/last bill paid.
- The value of successfully executed sections of any ongoing work up tolast day of the month previous to the month of tender submission will be considered for qualification of work experience criteria. In the case of ongoing works, the tenderer shall submit a client certificate with the value of the “successfully executed” works.
- For executed works, the value of work done shall be updated to the last day of the month previous to the month of tender submission price level assuming 5% inflation for Indian Rupees per year and 2% for foreign currency portions per year.
- The exchange rate of foreign currency shall be applicable 28 days before the last date of online submission of the Tender.
- This will be achieved by converting the Foreign Currency portion into Rupees at the Exchange Reference Rate of the Financial Benchmarks India Pvt. Ltd. recognised by Reserve Bank of India on the day twenty-eight days before the latest date of online Tender submission, and then adding the same to the Rupee portion of the Tender. If FBIL rates are not available for that day, the rate given on www.xe.com shall be considered.
Geotechnical Work Experience:
- The tenderers will be qualified only if they satisfy the minimum eligibility criteria as given below within the past 07 (seven) years ending on last day of the month previous to the month of tender submission:
- At least one “Similar Works” of value of INR 135 Lakh or more, or
- Two “Similar Works” each of value of INR 84 Lakh or more, or
- Three “Similar Works” each of value of INR 67 Lakh or more.
- Similar Work for this contract shall be the Geotechnical Investigation in soil and rock; including field testing, laboratory testing and submission of reports.
Tenderers may download the tender documents from the official e-portal https://etenders.gov.in/eprocure/app
Source: MPMRCL- Tender
